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Galaxy s8 security pin not working

When i try and log In to my phone with my pin it will accept the pin then take me to a black screen where I have to press the home button to get back onto the lock screen and try again (it never let's me in my phone with the pin) so I have to use my biometrics which is all well and good until my phone powers off and the only way to unlock it is via the pin. I also tried to go into settings to fix it but when asked for the pin in settings i type it in it again accepts it then i either get taking to a white screen with "lock screen" at top left and then I have to go to the home page as I can't do anything or I will get a message saying samsung settings isnt working "close app". Help please?

Samsung Moderator
Samsung Moderator

Re: Galaxy s8 security pin not working

Have you tried signing on in safe mode and changing your pin?


1. Turn off the device
2. Now switch your phone back on. Immediately you see the Samsung logo appear on your screen, press and hold the Volume Down key until the phone boots completely to the home screen.
3. You should now see a watermark caption "Safe Mode" at the bottom left corner of your phone screen. This will now disable all 3rd party apps.